servo/components/script/dom/cssmediarule.rs
2016-11-23 09:32:40 -08:00

51 lines
1.6 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::CSSMediaRuleBinding;
use dom::bindings::js::Root;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::str::DOMString;
use dom::cssgroupingrule::CSSGroupingRule;
use dom::cssrule::SpecificCSSRule;
use dom::cssstylesheet::CSSStyleSheet;
use dom::window::Window;
use parking_lot::RwLock;
use std::sync::Arc;
use style::stylesheets::MediaRule;
use style_traits::ToCss;
#[dom_struct]
pub struct CSSMediaRule {
cssrule: CSSGroupingRule,
#[ignore_heap_size_of = "Arc"]
mediarule: Arc<RwLock<MediaRule>>,
}
impl CSSMediaRule {
fn new_inherited(parent: Option<&CSSStyleSheet>, mediarule: Arc<RwLock<MediaRule>>) -> CSSMediaRule {
CSSMediaRule {
cssrule: CSSGroupingRule::new_inherited(parent),
mediarule: mediarule,
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent: Option<&CSSStyleSheet>,
mediarule: Arc<RwLock<MediaRule>>) -> Root<CSSMediaRule> {
reflect_dom_object(box CSSMediaRule::new_inherited(parent, mediarule),
window,
CSSMediaRuleBinding::Wrap)
}
}
impl SpecificCSSRule for CSSMediaRule {
fn ty(&self) -> u16 {
use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::MEDIA_RULE
}
fn get_css(&self) -> DOMString {
self.mediarule.read().to_css_string().into()
}
}